Year	Number of Firms
1992-01-01	9
1997-01-01	21
2002-01-01	29
2003-01-01	32
2004-01-01	34
2005-01-01	37
2006-01-01	41
2007-01-01	46
2008-01-01	54
2009-01-01	42
2010-01-01	53
2011-01-01	77
2012-01-01	61
2013-01-01	62
2014-01-01	61
2015-01-01	71
2016-01-01	64